Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/pci_32.h b/arch/sparc/include/asm/pci_32.h
new file mode 100644
index 000000000..cfc0ee947
--- /dev/null
+++ b/arch/sparc/include/asm/pci_32.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __SPARC_PCI_H
+#define __SPARC_PCI_H
+
+#ifdef __KERNEL__
+
+#include <linux/dma-mapping.h>
+
+/* Can be used to override the logic in pci_scan_bus for skipping
+ * already-configured bus numbers - to be used for buggy BIOSes
+ * or architectures with incomplete PCI setup by the loader.
+ */
+#define pcibios_assign_all_busses()	0
+
+#define PCIBIOS_MIN_IO		0UL
+#define PCIBIOS_MIN_MEM		0UL
+
+#define PCI_IRQ_NONE		0xffffffff
+
+#endif /* __KERNEL__ */
+
+#ifndef CONFIG_LEON_PCI
+/* generic pci stuff */
+#include <asm-generic/pci.h>
+#else
+/*
+ * On LEON PCI Memory space is mapped 1:1 with physical address space.
+ *
+ * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses
+ * are converted into CPU addresses to virtual addresses that are mapped with
+ * MMU to the PCI Host PCI I/O space window which are translated to the low
+ * 64Kbytes by the Host controller.
+ */
+
+static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
+{
+	return PCI_IRQ_NONE;
+}
+#endif
+
+#endif /* __SPARC_PCI_H */